Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities
Net loss	$ (5,614)	$ (5,573)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,398	2,515
Deferred income taxes	178	(36)
Foreign currency re-measurement (gain) loss	(59)	(359)
Non-cash interest and other expense	75	64
Non-cash stock compensation expense	2,304	694
Loss on disposal of business	0	731
Changes in operating assets and liabilities, net of purchase business combinations:
Accounts receivable	3,935	1,070
Prepaids and other	6	150
Accounts payable	460	(623)
Accrued expenses and other liabilities	1,211	(85)
Deferred revenue	33	1,334
Net cash provided by (used in) operating activities	4,927	(118)
Investing activities
Purchase of property and equipment	(348)	(680)
Purchase of customer relationships	(55)	(408)
Purchase business combinations, net of cash acquired	(19,256)	(8,102)
Net cash used in investing activities	(19,659)	(9,190)
Financing activities
Payments on capital leases	(331)	(519)
Proceeds from notes payable, net of issuance costs	15,927	4,987
Payments on notes payable	(6,755)	(309)
Issuance of common stock, net of issuance costs	98	18
Additional consideration paid to sellers of businesses	(3,585)	0
Net cash provided by financing activities	5,354	4,177
Effect of exchange rate fluctuations on cash	37	243
Change in cash and cash equivalents	(9,341)	(4,888)
Cash and cash equivalents, beginning of period	28,758	18,473
Cash and cash equivalents, end of period	19,417	13,585
Supplemental disclosures of cash flow information:
Cash paid for interest	864	496
Cash paid for taxes	591	2
Noncash investing and financing activities:
Equipment acquired pursuant to capital lease obligations	144	221
Issuance of common stock in business combination	$ 0	$ 5,700